Abstract
Lupus nephritis is a potentially fatal autoimmune disease for which the current treatment is ineffective and often toxic. To develop mechanistic hypotheses of disease, we analyzed kidney samples from patients with lupus nephritis and from healthy control subjects using single-cell RNA sequencing. Our analysis revealed 21 subsets of leukocytes active in disease, including multiple populations of myeloid cells, T cells, natural killer cells and B cells that demonstrated both pro-inflammatory responses and inflammation-resolving responses. We found evidence of local activation of B cells correlated with an age-associated B-cell signature and evidence of progressive stages of monocyte differentiation within the kidney. A clear interferon response was observed in most cells. Two chemokine receptors, CXCR4 and CX3CR1, were broadly expressed, implying a potentially central role in cell trafficking. Gene expression of immune cells in urine and kidney was highly correlated, which would suggest that urine might serve as a surrogate for kidney biopsies.
Original language | English |
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Pages (from-to) | 902-914 |
Number of pages | 13 |
Journal | Nature Immunology |
Volume | 20 |
Issue number | 7 |
DOIs | |
State | Published - 1 Jul 2019 |
Externally published | Yes |
Bibliographical note
Publisher Copyright:© 2019, The Author(s), under exclusive licence to Springer Nature America, Inc.
Funding
This work was supported by the Accelerating Medicines Partnership (AMP) in Rheumatoid Arthritis and Lupus Network. AMP is a public–private partnership (AbbVie Inc., Arthritis Foundation, Bristol-Myers Squibb Company, Foundation for the National Institutes of Health, Janssen Pharmaceuticals, Lupus Foundation of America, Lupus Research Alliance, Merck Sharp & Dohme Corp., National Institute of Allergy and Infectious Diseases, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Pfizer Inc., Rheumatology Research Foundation, Sanofi and Takeda Pharmaceuticals International, Inc.) created to develop new ways of identifying and validating promising biological targets for diagnostics and drug development. Funding was provided through grants from the National Institutes of Health (UH2-AR067676, UH2-AR067677, UH2-AR067679, UH2-AR067681, UH2-AR067685, UH2-AR067688, UH2-AR067689, UH2-AR067690, UH2-AR067691, UH2-AR067694 and UM2-AR067678). N.H. was supported by the David P. Ryan, MD Endowed Chair in Cancer Research. We thank participating Lupus Nephritis Trials Network clinical sites and participants.
Funders | Funder number |
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Foundation | |
Takeda Pharmaceuticals International, Inc. | UH2-AR067677, UH2-AR067688, UH2-AR067689, UH2-AR067679, UH2-AR067685, UM2-AR067678, UH2-AR067676, UH2-AR067691, UH2-AR067681, UH2-AR067694, UH2-AR067690 |
National Institutes of Health | |
National Human Genome Research Institute | U01HG009379 |
National Institute of Allergy and Infectious Diseases | |
National Institute of Arthritis and Musculoskeletal and Skin Diseases | |
Arthritis Foundation | |
Lupus Foundation of America | |
Bristol-Myers Squibb | |
Pfizer | |
Sanofi | |
Rheumatology Research Foundation | |
AbbVie | |
Janssen Pharmaceuticals | |
Merck Sharp and Dohme | |
Lupus Research Alliance |